Home / 40,889.40-56,528-40,515.18

Finding the Fourth Proportional to 40,889.40, 56,528 and 40,515.18

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Solution

The fourth proportional to 40,889.40, 56,528 and 40,515.18 is: 56,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,889.40 : 56,528 = 40,515.18 : x
  2. Step 2: Convert to fraction form
    40,889.40/56,528 = 40,515.18/x
  3. Step 3: Cross multiply
    40,889.40x = 56,528 × 40,515.18
  4. Step 4: Simplify right side
    40,889.40x = 2,290,242,095.04
  5. Step 5: Solve for x
    x = 2,290,242,095.04/40,889.40
  6. Step 6: Final answer
    x = 56,010.66

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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.