Home / 42,666.40-63,999.60-41,975.20

Finding the Fourth Proportional to 42,666.40, 63,999.60 and 41,975.20

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Solution

The fourth proportional to 42,666.40, 63,999.60 and 41,975.20 is: 62,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,666.40 : 63,999.60 = 41,975.20 : x
  2. Step 2: Convert to fraction form
    42,666.40/63,999.60 = 41,975.20/x
  3. Step 3: Cross multiply
    42,666.40x = 63,999.60 × 41,975.20
  4. Step 4: Simplify right side
    42,666.40x = 2,686,396,009.92
  5. Step 5: Solve for x
    x = 2,686,396,009.92/42,666.40
  6. Step 6: Final answer
    x = 62,962.80

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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.