Home / 42,717.04-64,098.54-17,774.30

Finding the Fourth Proportional to 42,717.04, 64,098.54 and 17,774.30

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Solution

The fourth proportional to 42,717.04, 64,098.54 and 17,774.30 is: 26,671.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,717.04 : 64,098.54 = 17,774.30 : x
  2. Step 2: Convert to fraction form
    42,717.04/64,098.54 = 17,774.30/x
  3. Step 3: Cross multiply
    42,717.04x = 64,098.54 × 17,774.30
  4. Step 4: Simplify right side
    42,717.04x = 1,139,306,839.77
  5. Step 5: Solve for x
    x = 1,139,306,839.77/42,717.04
  6. Step 6: Final answer
    x = 26,671.02

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1.5x scale

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.