Home / 42,320.68-63,461.12-15,648.24

Finding the Fourth Proportional to 42,320.68, 63,461.12 and 15,648.24

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Solution

The fourth proportional to 42,320.68, 63,461.12 and 15,648.24 is: 23,465.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,320.68 : 63,461.12 = 15,648.24 : x
  2. Step 2: Convert to fraction form
    42,320.68/63,461.12 = 15,648.24/x
  3. Step 3: Cross multiply
    42,320.68x = 63,461.12 × 15,648.24
  4. Step 4: Simplify right side
    42,320.68x = 993,054,619.10
  5. Step 5: Solve for x
    x = 993,054,619.10/42,320.68
  6. Step 6: Final answer
    x = 23,465.00

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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.