Home / 45,053.14-67,585.18-13,888.40

Finding the Fourth Proportional to 45,053.14, 67,585.18 and 13,888.40

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Solution

The fourth proportional to 45,053.14, 67,585.18 and 13,888.40 is: 20,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,053.14 : 67,585.18 = 13,888.40 : x
  2. Step 2: Convert to fraction form
    45,053.14/67,585.18 = 13,888.40/x
  3. Step 3: Cross multiply
    45,053.14x = 67,585.18 × 13,888.40
  4. Step 4: Simplify right side
    45,053.14x = 938,650,013.91
  5. Step 5: Solve for x
    x = 938,650,013.91/45,053.14
  6. Step 6: Final answer
    x = 20,834.29

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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.