Home / 34,369.04-47,427.02-20,219.16

Finding the Fourth Proportional to 34,369.04, 47,427.02 and 20,219.16

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Solution

The fourth proportional to 34,369.04, 47,427.02 and 20,219.16 is: 27,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,369.04 : 47,427.02 = 20,219.16 : x
  2. Step 2: Convert to fraction form
    34,369.04/47,427.02 = 20,219.16/x
  3. Step 3: Cross multiply
    34,369.04x = 47,427.02 × 20,219.16
  4. Step 4: Simplify right side
    34,369.04x = 958,934,505.70
  5. Step 5: Solve for x
    x = 958,934,505.70/34,369.04
  6. Step 6: Final answer
    x = 27,901.11

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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.