Home / 53,454.67-80,158.30-28,490.06

Finding the Fourth Proportional to 53,454.67, 80,158.30 and 28,490.06

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Solution

The fourth proportional to 53,454.67, 80,158.30 and 28,490.06 is: 42,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,454.67 : 80,158.30 = 28,490.06 : x
  2. Step 2: Convert to fraction form
    53,454.67/80,158.30 = 28,490.06/x
  3. Step 3: Cross multiply
    53,454.67x = 80,158.30 × 28,490.06
  4. Step 4: Simplify right side
    53,454.67x = 2,283,714,776.50
  5. Step 5: Solve for x
    x = 2,283,714,776.50/53,454.67
  6. Step 6: Final answer
    x = 42,722.46

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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.