Home / 53,534.79-80,281.41-28,561.21

Finding the Fourth Proportional to 53,534.79, 80,281.41 and 28,561.21

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Solution

The fourth proportional to 53,534.79, 80,281.41 and 28,561.21 is: 42,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,534.79 : 80,281.41 = 28,561.21 : x
  2. Step 2: Convert to fraction form
    53,534.79/80,281.41 = 28,561.21/x
  3. Step 3: Cross multiply
    53,534.79x = 80,281.41 × 28,561.21
  4. Step 4: Simplify right side
    53,534.79x = 2,292,934,210.11
  5. Step 5: Solve for x
    x = 2,292,934,210.11/53,534.79
  6. Step 6: Final answer
    x = 42,830.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.