Home / 45,300.47-67,951.41-13,710.87

Finding the Fourth Proportional to 45,300.47, 67,951.41 and 13,710.87

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Solution

The fourth proportional to 45,300.47, 67,951.41 and 13,710.87 is: 20,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,300.47 : 67,951.41 = 13,710.87 : x
  2. Step 2: Convert to fraction form
    45,300.47/67,951.41 = 13,710.87/x
  3. Step 3: Cross multiply
    45,300.47x = 67,951.41 × 13,710.87
  4. Step 4: Simplify right side
    45,300.47x = 931,672,897.41
  5. Step 5: Solve for x
    x = 931,672,897.41/45,300.47
  6. Step 6: Final answer
    x = 20,566.52

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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.