Home / 42,025.50-63,038.25-10,860.75

Finding the Fourth Proportional to 42,025.50, 63,038.25 and 10,860.75

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Solution

The fourth proportional to 42,025.50, 63,038.25 and 10,860.75 is: 16,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,025.50 : 63,038.25 = 10,860.75 : x
  2. Step 2: Convert to fraction form
    42,025.50/63,038.25 = 10,860.75/x
  3. Step 3: Cross multiply
    42,025.50x = 63,038.25 × 10,860.75
  4. Step 4: Simplify right side
    42,025.50x = 684,642,673.69
  5. Step 5: Solve for x
    x = 684,642,673.69/42,025.50
  6. Step 6: Final answer
    x = 16,291.13

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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.