Home / 42,806.05-64,193.11-14,718.16

Finding the Fourth Proportional to 42,806.05, 64,193.11 and 14,718.16

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Solution

The fourth proportional to 42,806.05, 64,193.11 and 14,718.16 is: 22,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,806.05 : 64,193.11 = 14,718.16 : x
  2. Step 2: Convert to fraction form
    42,806.05/64,193.11 = 14,718.16/x
  3. Step 3: Cross multiply
    42,806.05x = 64,193.11 × 14,718.16
  4. Step 4: Simplify right side
    42,806.05x = 944,804,463.88
  5. Step 5: Solve for x
    x = 944,804,463.88/42,806.05
  6. Step 6: Final answer
    x = 22,071.75

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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.