Home / 42,749.76-59,011.12-38,265.60

Finding the Fourth Proportional to 42,749.76, 59,011.12 and 38,265.60

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Solution

The fourth proportional to 42,749.76, 59,011.12 and 38,265.60 is: 52,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,749.76 : 59,011.12 = 38,265.60 : x
  2. Step 2: Convert to fraction form
    42,749.76/59,011.12 = 38,265.60/x
  3. Step 3: Cross multiply
    42,749.76x = 59,011.12 × 38,265.60
  4. Step 4: Simplify right side
    42,749.76x = 2,258,095,913.47
  5. Step 5: Solve for x
    x = 2,258,095,913.47/42,749.76
  6. Step 6: Final answer
    x = 52,821.25

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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.