Home / 48,443.28-72,675.45-20,347.31

Finding the Fourth Proportional to 48,443.28, 72,675.45 and 20,347.31

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Solution

The fourth proportional to 48,443.28, 72,675.45 and 20,347.31 is: 30,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.28 : 72,675.45 = 20,347.31 : x
  2. Step 2: Convert to fraction form
    48,443.28/72,675.45 = 20,347.31/x
  3. Step 3: Cross multiply
    48,443.28x = 72,675.45 × 20,347.31
  4. Step 4: Simplify right side
    48,443.28x = 1,478,749,547.16
  5. Step 5: Solve for x
    x = 1,478,749,547.16/48,443.28
  6. Step 6: Final answer
    x = 30,525.38

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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.