Home / 48,036.42-72,055.68-12,499.14

Finding the Fourth Proportional to 48,036.42, 72,055.68 and 12,499.14

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Solution

The fourth proportional to 48,036.42, 72,055.68 and 12,499.14 is: 18,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,036.42 : 72,055.68 = 12,499.14 : x
  2. Step 2: Convert to fraction form
    48,036.42/72,055.68 = 12,499.14/x
  3. Step 3: Cross multiply
    48,036.42x = 72,055.68 × 12,499.14
  4. Step 4: Simplify right side
    48,036.42x = 900,634,032.12
  5. Step 5: Solve for x
    x = 900,634,032.12/48,036.42
  6. Step 6: Final answer
    x = 18,748.98

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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.