Home / 30,653.13-45,711.45-30,372.87

Finding the Fourth Proportional to 30,653.13, 45,711.45 and 30,372.87

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Solution

The fourth proportional to 30,653.13, 45,711.45 and 30,372.87 is: 45,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.13 : 45,711.45 = 30,372.87 : x
  2. Step 2: Convert to fraction form
    30,653.13/45,711.45 = 30,372.87/x
  3. Step 3: Cross multiply
    30,653.13x = 45,711.45 × 30,372.87
  4. Step 4: Simplify right side
    30,653.13x = 1,388,387,547.94
  5. Step 5: Solve for x
    x = 1,388,387,547.94/30,653.13
  6. Step 6: Final answer
    x = 45,293.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.