Home / 40,670.40-61,003.80-11,088.24

Finding the Fourth Proportional to 40,670.40, 61,003.80 and 11,088.24

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Solution

The fourth proportional to 40,670.40, 61,003.80 and 11,088.24 is: 16,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,670.40 : 61,003.80 = 11,088.24 : x
  2. Step 2: Convert to fraction form
    40,670.40/61,003.80 = 11,088.24/x
  3. Step 3: Cross multiply
    40,670.40x = 61,003.80 × 11,088.24
  4. Step 4: Simplify right side
    40,670.40x = 676,424,775.31
  5. Step 5: Solve for x
    x = 676,424,775.31/40,670.40
  6. Step 6: Final answer
    x = 16,631.87

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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.