Home / 34,775.16-47,985.32-20,625.24

Finding the Fourth Proportional to 34,775.16, 47,985.32 and 20,625.24

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Solution

The fourth proportional to 34,775.16, 47,985.32 and 20,625.24 is: 28,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,775.16 : 47,985.32 = 20,625.24 : x
  2. Step 2: Convert to fraction form
    34,775.16/47,985.32 = 20,625.24/x
  3. Step 3: Cross multiply
    34,775.16x = 47,985.32 × 20,625.24
  4. Step 4: Simplify right side
    34,775.16x = 989,708,741.48
  5. Step 5: Solve for x
    x = 989,708,741.48/34,775.16
  6. Step 6: Final answer
    x = 28,460.22

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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.