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Finding the Fourth Proportional to 48,088.68, 72,133.05 and 20,008.20

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Solution

The fourth proportional to 48,088.68, 72,133.05 and 20,008.20 is: 30,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,088.68 : 72,133.05 = 20,008.20 : x
  2. Step 2: Convert to fraction form
    48,088.68/72,133.05 = 20,008.20/x
  3. Step 3: Cross multiply
    48,088.68x = 72,133.05 × 20,008.20
  4. Step 4: Simplify right side
    48,088.68x = 1,443,252,491.01
  5. Step 5: Solve for x
    x = 1,443,252,491.01/48,088.68
  6. Step 6: Final answer
    x = 30,012.31

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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.