Home / 45,966.40-63,431.04-28,055.68

Finding the Fourth Proportional to 45,966.40, 63,431.04 and 28,055.68

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Solution

The fourth proportional to 45,966.40, 63,431.04 and 28,055.68 is: 38,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,966.40 : 63,431.04 = 28,055.68 : x
  2. Step 2: Convert to fraction form
    45,966.40/63,431.04 = 28,055.68/x
  3. Step 3: Cross multiply
    45,966.40x = 63,431.04 × 28,055.68
  4. Step 4: Simplify right side
    45,966.40x = 1,779,600,960.31
  5. Step 5: Solve for x
    x = 1,779,600,960.31/45,966.40
  6. Step 6: Final answer
    x = 38,715.26

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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.