Home / 34,327.04-47,346.80-20,899.13

Finding the Fourth Proportional to 34,327.04, 47,346.80 and 20,899.13

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Solution

The fourth proportional to 34,327.04, 47,346.80 and 20,899.13 is: 28,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,327.04 : 47,346.80 = 20,899.13 : x
  2. Step 2: Convert to fraction form
    34,327.04/47,346.80 = 20,899.13/x
  3. Step 3: Cross multiply
    34,327.04x = 47,346.80 × 20,899.13
  4. Step 4: Simplify right side
    34,327.04x = 989,506,587.05
  5. Step 5: Solve for x
    x = 989,506,587.05/34,327.04
  6. Step 6: Final answer
    x = 28,825.87

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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.