Home / 38,070.60-52,487.08-31,239.60

Finding the Fourth Proportional to 38,070.60, 52,487.08 and 31,239.60

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Solution

The fourth proportional to 38,070.60, 52,487.08 and 31,239.60 is: 43,069.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.60 : 52,487.08 = 31,239.60 : x
  2. Step 2: Convert to fraction form
    38,070.60/52,487.08 = 31,239.60/x
  3. Step 3: Cross multiply
    38,070.60x = 52,487.08 × 31,239.60
  4. Step 4: Simplify right side
    38,070.60x = 1,639,675,384.37
  5. Step 5: Solve for x
    x = 1,639,675,384.37/38,070.60
  6. Step 6: Final answer
    x = 43,069.33

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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.