Home / 45,412.08-68,066.28-19,111.92

Finding the Fourth Proportional to 45,412.08, 68,066.28 and 19,111.92

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Solution

The fourth proportional to 45,412.08, 68,066.28 and 19,111.92 is: 28,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,412.08 : 68,066.28 = 19,111.92 : x
  2. Step 2: Convert to fraction form
    45,412.08/68,066.28 = 19,111.92/x
  3. Step 3: Cross multiply
    45,412.08x = 68,066.28 × 19,111.92
  4. Step 4: Simplify right side
    45,412.08x = 1,300,877,298.06
  5. Step 5: Solve for x
    x = 1,300,877,298.06/45,412.08
  6. Step 6: Final answer
    x = 28,646.06

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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.