Home / 54,368.65-75,023.74-30,490.72

Finding the Fourth Proportional to 54,368.65, 75,023.74 and 30,490.72

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Solution

The fourth proportional to 54,368.65, 75,023.74 and 30,490.72 is: 42,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,368.65 : 75,023.74 = 30,490.72 : x
  2. Step 2: Convert to fraction form
    54,368.65/75,023.74 = 30,490.72/x
  3. Step 3: Cross multiply
    54,368.65x = 75,023.74 × 30,490.72
  4. Step 4: Simplify right side
    54,368.65x = 2,287,527,700.25
  5. Step 5: Solve for x
    x = 2,287,527,700.25/54,368.65
  6. Step 6: Final answer
    x = 42,074.39

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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.