Home / 56,024.39-77,312.64-30,530.97

Finding the Fourth Proportional to 56,024.39, 77,312.64 and 30,530.97

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Solution

The fourth proportional to 56,024.39, 77,312.64 and 30,530.97 is: 42,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,024.39 : 77,312.64 = 30,530.97 : x
  2. Step 2: Convert to fraction form
    56,024.39/77,312.64 = 30,530.97/x
  3. Step 3: Cross multiply
    56,024.39x = 77,312.64 × 30,530.97
  4. Step 4: Simplify right side
    56,024.39x = 2,360,430,006.95
  5. Step 5: Solve for x
    x = 2,360,430,006.95/56,024.39
  6. Step 6: Final answer
    x = 42,132.18

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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.