Home / 42,547.32-64,141.92-39,693.96

Finding the Fourth Proportional to 42,547.32, 64,141.92 and 39,693.96

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Solution

The fourth proportional to 42,547.32, 64,141.92 and 39,693.96 is: 59,840.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,547.32 : 64,141.92 = 39,693.96 : x
  2. Step 2: Convert to fraction form
    42,547.32/64,141.92 = 39,693.96/x
  3. Step 3: Cross multiply
    42,547.32x = 64,141.92 × 39,693.96
  4. Step 4: Simplify right side
    42,547.32x = 2,546,046,806.80
  5. Step 5: Solve for x
    x = 2,546,046,806.80/42,547.32
  6. Step 6: Final answer
    x = 59,840.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.