Home / 40,865.36-61,264.88-14,555.76

Finding the Fourth Proportional to 40,865.36, 61,264.88 and 14,555.76

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Solution

The fourth proportional to 40,865.36, 61,264.88 and 14,555.76 is: 21,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865.36 : 61,264.88 = 14,555.76 : x
  2. Step 2: Convert to fraction form
    40,865.36/61,264.88 = 14,555.76/x
  3. Step 3: Cross multiply
    40,865.36x = 61,264.88 × 14,555.76
  4. Step 4: Simplify right side
    40,865.36x = 891,756,889.71
  5. Step 5: Solve for x
    x = 891,756,889.71/40,865.36
  6. Step 6: Final answer
    x = 21,821.83

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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.