Home / 48,008.12-72,011.10-21,705.80

Finding the Fourth Proportional to 48,008.12, 72,011.10 and 21,705.80

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Solution

The fourth proportional to 48,008.12, 72,011.10 and 21,705.80 is: 32,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,008.12 : 72,011.10 = 21,705.80 : x
  2. Step 2: Convert to fraction form
    48,008.12/72,011.10 = 21,705.80/x
  3. Step 3: Cross multiply
    48,008.12x = 72,011.10 × 21,705.80
  4. Step 4: Simplify right side
    48,008.12x = 1,563,058,534.38
  5. Step 5: Solve for x
    x = 1,563,058,534.38/48,008.12
  6. Step 6: Final answer
    x = 32,558.21

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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.