Home / 58,281.64-87,422.45-18,838.75

Finding the Fourth Proportional to 58,281.64, 87,422.45 and 18,838.75

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Solution

The fourth proportional to 58,281.64, 87,422.45 and 18,838.75 is: 28,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281.64 : 87,422.45 = 18,838.75 : x
  2. Step 2: Convert to fraction form
    58,281.64/87,422.45 = 18,838.75/x
  3. Step 3: Cross multiply
    58,281.64x = 87,422.45 × 18,838.75
  4. Step 4: Simplify right side
    58,281.64x = 1,646,929,679.94
  5. Step 5: Solve for x
    x = 1,646,929,679.94/58,281.64
  6. Step 6: Final answer
    x = 28,258.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.