Home / 54,830.16-75,669.12-30,948.12

Finding the Fourth Proportional to 54,830.16, 75,669.12 and 30,948.12

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Solution

The fourth proportional to 54,830.16, 75,669.12 and 30,948.12 is: 42,710.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,830.16 : 75,669.12 = 30,948.12 : x
  2. Step 2: Convert to fraction form
    54,830.16/75,669.12 = 30,948.12/x
  3. Step 3: Cross multiply
    54,830.16x = 75,669.12 × 30,948.12
  4. Step 4: Simplify right side
    54,830.16x = 2,341,817,006.05
  5. Step 5: Solve for x
    x = 2,341,817,006.05/54,830.16
  6. Step 6: Final answer
    x = 42,710.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.