Home / 71,044.70-98,038.35-40,808.75

Finding the Fourth Proportional to 71,044.70, 98,038.35 and 40,808.75

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Solution

The fourth proportional to 71,044.70, 98,038.35 and 40,808.75 is: 56,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,044.70 : 98,038.35 = 40,808.75 : x
  2. Step 2: Convert to fraction form
    71,044.70/98,038.35 = 40,808.75/x
  3. Step 3: Cross multiply
    71,044.70x = 98,038.35 × 40,808.75
  4. Step 4: Simplify right side
    71,044.70x = 4,000,822,025.37
  5. Step 5: Solve for x
    x = 4,000,822,025.37/71,044.70
  6. Step 6: Final answer
    x = 56,314.16

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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.