Home / 54,347.40-81,521.10-14,904.45

Finding the Fourth Proportional to 54,347.40, 81,521.10 and 14,904.45

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Solution

The fourth proportional to 54,347.40, 81,521.10 and 14,904.45 is: 22,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,347.40 : 81,521.10 = 14,904.45 : x
  2. Step 2: Convert to fraction form
    54,347.40/81,521.10 = 14,904.45/x
  3. Step 3: Cross multiply
    54,347.40x = 81,521.10 × 14,904.45
  4. Step 4: Simplify right side
    54,347.40x = 1,215,027,158.90
  5. Step 5: Solve for x
    x = 1,215,027,158.90/54,347.40
  6. Step 6: Final answer
    x = 22,356.68

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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.