Home / 38,071.35-52,488.12-31,240.35

Finding the Fourth Proportional to 38,071.35, 52,488.12 and 31,240.35

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Solution

The fourth proportional to 38,071.35, 52,488.12 and 31,240.35 is: 43,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,071.35 : 52,488.12 = 31,240.35 : x
  2. Step 2: Convert to fraction form
    38,071.35/52,488.12 = 31,240.35/x
  3. Step 3: Cross multiply
    38,071.35x = 52,488.12 × 31,240.35
  4. Step 4: Simplify right side
    38,071.35x = 1,639,746,977.20
  5. Step 5: Solve for x
    x = 1,639,746,977.20/38,071.35
  6. Step 6: Final answer
    x = 43,070.37

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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.