Home / 45,968.40-63,433.80-28,057.68

Finding the Fourth Proportional to 45,968.40, 63,433.80 and 28,057.68

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Solution

The fourth proportional to 45,968.40, 63,433.80 and 28,057.68 is: 38,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,968.40 : 63,433.80 = 28,057.68 : x
  2. Step 2: Convert to fraction form
    45,968.40/63,433.80 = 28,057.68/x
  3. Step 3: Cross multiply
    45,968.40x = 63,433.80 × 28,057.68
  4. Step 4: Simplify right side
    45,968.40x = 1,779,805,261.58
  5. Step 5: Solve for x
    x = 1,779,805,261.58/45,968.40
  6. Step 6: Final answer
    x = 38,718.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.