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Finding the Fourth Proportional to 60,748.71, 91,113.84 and 16,378.92

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Solution

The fourth proportional to 60,748.71, 91,113.84 and 16,378.92 is: 24,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,748.71 : 91,113.84 = 16,378.92 : x
  2. Step 2: Convert to fraction form
    60,748.71/91,113.84 = 16,378.92/x
  3. Step 3: Cross multiply
    60,748.71x = 91,113.84 × 16,378.92
  4. Step 4: Simplify right side
    60,748.71x = 1,492,346,378.32
  5. Step 5: Solve for x
    x = 1,492,346,378.32/60,748.71
  6. Step 6: Final answer
    x = 24,565.89

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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.