Home / 34,291.14-47,331.02-20,153.40

Finding the Fourth Proportional to 34,291.14, 47,331.02 and 20,153.40

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Solution

The fourth proportional to 34,291.14, 47,331.02 and 20,153.40 is: 27,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,291.14 : 47,331.02 = 20,153.40 : x
  2. Step 2: Convert to fraction form
    34,291.14/47,331.02 = 20,153.40/x
  3. Step 3: Cross multiply
    34,291.14x = 47,331.02 × 20,153.40
  4. Step 4: Simplify right side
    34,291.14x = 953,880,978.47
  5. Step 5: Solve for x
    x = 953,880,978.47/34,291.14
  6. Step 6: Final answer
    x = 27,817.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.