Home / 42,547.28-58,714.40-26,640.50

Finding the Fourth Proportional to 42,547.28, 58,714.40 and 26,640.50

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Solution

The fourth proportional to 42,547.28, 58,714.40 and 26,640.50 is: 36,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,547.28 : 58,714.40 = 26,640.50 : x
  2. Step 2: Convert to fraction form
    42,547.28/58,714.40 = 26,640.50/x
  3. Step 3: Cross multiply
    42,547.28x = 58,714.40 × 26,640.50
  4. Step 4: Simplify right side
    42,547.28x = 1,564,180,973.20
  5. Step 5: Solve for x
    x = 1,564,180,973.20/42,547.28
  6. Step 6: Final answer
    x = 36,763.36

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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.