Home / 34,209.12-47,208.80-20,062.24

Finding the Fourth Proportional to 34,209.12, 47,208.80 and 20,062.24

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Solution

The fourth proportional to 34,209.12, 47,208.80 and 20,062.24 is: 27,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,209.12 : 47,208.80 = 20,062.24 : x
  2. Step 2: Convert to fraction form
    34,209.12/47,208.80 = 20,062.24/x
  3. Step 3: Cross multiply
    34,209.12x = 47,208.80 × 20,062.24
  4. Step 4: Simplify right side
    34,209.12x = 947,114,275.71
  5. Step 5: Solve for x
    x = 947,114,275.71/34,209.12
  6. Step 6: Final answer
    x = 27,686.02

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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.