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Finding the Fourth Proportional to 32,124.40, 48,158.88 and 15,461.51

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Solution

The fourth proportional to 32,124.40, 48,158.88 and 15,461.51 is: 23,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,124.40 : 48,158.88 = 15,461.51 : x
  2. Step 2: Convert to fraction form
    32,124.40/48,158.88 = 15,461.51/x
  3. Step 3: Cross multiply
    32,124.40x = 48,158.88 × 15,461.51
  4. Step 4: Simplify right side
    32,124.40x = 744,608,763.91
  5. Step 5: Solve for x
    x = 744,608,763.91/32,124.40
  6. Step 6: Final answer
    x = 23,178.92

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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.