Home / 42,106.08-63,159.12-12,524.16

Finding the Fourth Proportional to 42,106.08, 63,159.12 and 12,524.16

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Solution

The fourth proportional to 42,106.08, 63,159.12 and 12,524.16 is: 18,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,106.08 : 63,159.12 = 12,524.16 : x
  2. Step 2: Convert to fraction form
    42,106.08/63,159.12 = 12,524.16/x
  3. Step 3: Cross multiply
    42,106.08x = 63,159.12 × 12,524.16
  4. Step 4: Simplify right side
    42,106.08x = 791,014,924.34
  5. Step 5: Solve for x
    x = 791,014,924.34/42,106.08
  6. Step 6: Final answer
    x = 18,786.24

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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.