Home / 42,909.90-64,349.04-14,822.74

Finding the Fourth Proportional to 42,909.90, 64,349.04 and 14,822.74

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Solution

The fourth proportional to 42,909.90, 64,349.04 and 14,822.74 is: 22,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,909.90 : 64,349.04 = 14,822.74 : x
  2. Step 2: Convert to fraction form
    42,909.90/64,349.04 = 14,822.74/x
  3. Step 3: Cross multiply
    42,909.90x = 64,349.04 × 14,822.74
  4. Step 4: Simplify right side
    42,909.90x = 953,829,225.19
  5. Step 5: Solve for x
    x = 953,829,225.19/42,909.90
  6. Step 6: Final answer
    x = 22,228.65

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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.