Home / 47,417.28-65,386.74-40,725.04

Finding the Fourth Proportional to 47,417.28, 65,386.74 and 40,725.04

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Solution

The fourth proportional to 47,417.28, 65,386.74 and 40,725.04 is: 56,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,417.28 : 65,386.74 = 40,725.04 : x
  2. Step 2: Convert to fraction form
    47,417.28/65,386.74 = 40,725.04/x
  3. Step 3: Cross multiply
    47,417.28x = 65,386.74 × 40,725.04
  4. Step 4: Simplify right side
    47,417.28x = 2,662,877,601.97
  5. Step 5: Solve for x
    x = 2,662,877,601.97/47,417.28
  6. Step 6: Final answer
    x = 56,158.38

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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.