Home / 34,088.30-47,047.59-21,985.38

Finding the Fourth Proportional to 34,088.30, 47,047.59 and 21,985.38

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Solution

The fourth proportional to 34,088.30, 47,047.59 and 21,985.38 is: 30,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,088.30 : 47,047.59 = 21,985.38 : x
  2. Step 2: Convert to fraction form
    34,088.30/47,047.59 = 21,985.38/x
  3. Step 3: Cross multiply
    34,088.30x = 47,047.59 × 21,985.38
  4. Step 4: Simplify right side
    34,088.30x = 1,034,359,144.23
  5. Step 5: Solve for x
    x = 1,034,359,144.23/34,088.30
  6. Step 6: Final answer
    x = 30,343.52

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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.