Home / 58,276.46-87,405.28-20,830.16

Finding the Fourth Proportional to 58,276.46, 87,405.28 and 20,830.16

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Solution

The fourth proportional to 58,276.46, 87,405.28 and 20,830.16 is: 31,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,276.46 : 87,405.28 = 20,830.16 : x
  2. Step 2: Convert to fraction form
    58,276.46/87,405.28 = 20,830.16/x
  3. Step 3: Cross multiply
    58,276.46x = 87,405.28 × 20,830.16
  4. Step 4: Simplify right side
    58,276.46x = 1,820,666,133.68
  5. Step 5: Solve for x
    x = 1,820,666,133.68/58,276.46
  6. Step 6: Final answer
    x = 31,241.88

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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.