Home / 42,280.56-63,373.08-20,063.12

Finding the Fourth Proportional to 42,280.56, 63,373.08 and 20,063.12

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Solution

The fourth proportional to 42,280.56, 63,373.08 and 20,063.12 is: 30,072.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,280.56 : 63,373.08 = 20,063.12 : x
  2. Step 2: Convert to fraction form
    42,280.56/63,373.08 = 20,063.12/x
  3. Step 3: Cross multiply
    42,280.56x = 63,373.08 × 20,063.12
  4. Step 4: Simplify right side
    42,280.56x = 1,271,461,708.81
  5. Step 5: Solve for x
    x = 1,271,461,708.81/42,280.56
  6. Step 6: Final answer
    x = 30,072.02

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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.