Home / 39,775.32-59,660.28-28,702.08

Finding the Fourth Proportional to 39,775.32, 59,660.28 and 28,702.08

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Solution

The fourth proportional to 39,775.32, 59,660.28 and 28,702.08 is: 43,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,775.32 : 59,660.28 = 28,702.08 : x
  2. Step 2: Convert to fraction form
    39,775.32/59,660.28 = 28,702.08/x
  3. Step 3: Cross multiply
    39,775.32x = 59,660.28 × 28,702.08
  4. Step 4: Simplify right side
    39,775.32x = 1,712,374,129.38
  5. Step 5: Solve for x
    x = 1,712,374,129.38/39,775.32
  6. Step 6: Final answer
    x = 43,051.17

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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.