Home / 30,268.24-45,402.56-10,547.16

Finding the Fourth Proportional to 30,268.24, 45,402.56 and 10,547.16

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Solution

The fourth proportional to 30,268.24, 45,402.56 and 10,547.16 is: 15,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.24 : 45,402.56 = 10,547.16 : x
  2. Step 2: Convert to fraction form
    30,268.24/45,402.56 = 10,547.16/x
  3. Step 3: Cross multiply
    30,268.24x = 45,402.56 × 10,547.16
  4. Step 4: Simplify right side
    30,268.24x = 478,868,064.73
  5. Step 5: Solve for x
    x = 478,868,064.73/30,268.24
  6. Step 6: Final answer
    x = 15,820.81

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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.