Home / 48,312.48-72,468.96-21,999.36

Finding the Fourth Proportional to 48,312.48, 72,468.96 and 21,999.36

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Solution

The fourth proportional to 48,312.48, 72,468.96 and 21,999.36 is: 32,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,312.48 : 72,468.96 = 21,999.36 : x
  2. Step 2: Convert to fraction form
    48,312.48/72,468.96 = 21,999.36/x
  3. Step 3: Cross multiply
    48,312.48x = 72,468.96 × 21,999.36
  4. Step 4: Simplify right side
    48,312.48x = 1,594,270,739.87
  5. Step 5: Solve for x
    x = 1,594,270,739.87/48,312.48
  6. Step 6: Final answer
    x = 32,999.15

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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.