Home / 43,113.67-59,492.88-39,939.89

Finding the Fourth Proportional to 43,113.67, 59,492.88 and 39,939.89

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Solution

The fourth proportional to 43,113.67, 59,492.88 and 39,939.89 is: 55,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,113.67 : 59,492.88 = 39,939.89 : x
  2. Step 2: Convert to fraction form
    43,113.67/59,492.88 = 39,939.89/x
  3. Step 3: Cross multiply
    43,113.67x = 59,492.88 × 39,939.89
  4. Step 4: Simplify right side
    43,113.67x = 2,376,138,785.52
  5. Step 5: Solve for x
    x = 2,376,138,785.52/43,113.67
  6. Step 6: Final answer
    x = 55,113.35

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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.