Home / 42,430.05-63,655.29-29,974.32

Finding the Fourth Proportional to 42,430.05, 63,655.29 and 29,974.32

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Solution

The fourth proportional to 42,430.05, 63,655.29 and 29,974.32 is: 44,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,430.05 : 63,655.29 = 29,974.32 : x
  2. Step 2: Convert to fraction form
    42,430.05/63,655.29 = 29,974.32/x
  3. Step 3: Cross multiply
    42,430.05x = 63,655.29 × 29,974.32
  4. Step 4: Simplify right side
    42,430.05x = 1,908,024,032.15
  5. Step 5: Solve for x
    x = 1,908,024,032.15/42,430.05
  6. Step 6: Final answer
    x = 44,968.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.