Home / 42,520.80-63,746.64-14,838.24

Finding the Fourth Proportional to 42,520.80, 63,746.64 and 14,838.24

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Solution

The fourth proportional to 42,520.80, 63,746.64 and 14,838.24 is: 22,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,520.80 : 63,746.64 = 14,838.24 : x
  2. Step 2: Convert to fraction form
    42,520.80/63,746.64 = 14,838.24/x
  3. Step 3: Cross multiply
    42,520.80x = 63,746.64 × 14,838.24
  4. Step 4: Simplify right side
    42,520.80x = 945,887,943.51
  5. Step 5: Solve for x
    x = 945,887,943.51/42,520.80
  6. Step 6: Final answer
    x = 22,245.30

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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.