Home / 43,019.40-59,350.19-31,715.77

Finding the Fourth Proportional to 43,019.40, 59,350.19 and 31,715.77

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Solution

The fourth proportional to 43,019.40, 59,350.19 and 31,715.77 is: 43,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,019.40 : 59,350.19 = 31,715.77 : x
  2. Step 2: Convert to fraction form
    43,019.40/59,350.19 = 31,715.77/x
  3. Step 3: Cross multiply
    43,019.40x = 59,350.19 × 31,715.77
  4. Step 4: Simplify right side
    43,019.40x = 1,882,336,779.82
  5. Step 5: Solve for x
    x = 1,882,336,779.82/43,019.40
  6. Step 6: Final answer
    x = 43,755.53

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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.