Home / 42,322.65-63,421.39-39,955.83

Finding the Fourth Proportional to 42,322.65, 63,421.39 and 39,955.83

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Solution

The fourth proportional to 42,322.65, 63,421.39 and 39,955.83 is: 59,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,322.65 : 63,421.39 = 39,955.83 : x
  2. Step 2: Convert to fraction form
    42,322.65/63,421.39 = 39,955.83/x
  3. Step 3: Cross multiply
    42,322.65x = 63,421.39 × 39,955.83
  4. Step 4: Simplify right side
    42,322.65x = 2,534,054,277.20
  5. Step 5: Solve for x
    x = 2,534,054,277.20/42,322.65
  6. Step 6: Final answer
    x = 59,874.66

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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.