Home / 30,888,381.24-42,625,971.63-17,137,312.56

Finding the Fourth Proportional to 30,888,381.24, 42,625,971.63 and 17,137,312.56

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Solution

The fourth proportional to 30,888,381.24, 42,625,971.63 and 17,137,312.56 is: 23,649,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888,381.24 : 42,625,971.63 = 17,137,312.56 : x
  2. Step 2: Convert to fraction form
    30,888,381.24/42,625,971.63 = 17,137,312.56/x
  3. Step 3: Cross multiply
    30,888,381.24x = 42,625,971.63 × 17,137,312.56
  4. Step 4: Simplify right side
    30,888,381.24x = 730,494,598,997,002.62
  5. Step 5: Solve for x
    x = 730,494,598,997,002.62/30,888,381.24
  6. Step 6: Final answer
    x = 23,649,494.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.