Home / 53,368.61-73,651.53-30,711.05

Finding the Fourth Proportional to 53,368.61, 73,651.53 and 30,711.05

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Solution

The fourth proportional to 53,368.61, 73,651.53 and 30,711.05 is: 42,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,368.61 : 73,651.53 = 30,711.05 : x
  2. Step 2: Convert to fraction form
    53,368.61/73,651.53 = 30,711.05/x
  3. Step 3: Cross multiply
    53,368.61x = 73,651.53 × 30,711.05
  4. Step 4: Simplify right side
    53,368.61x = 2,261,915,820.41
  5. Step 5: Solve for x
    x = 2,261,915,820.41/53,368.61
  6. Step 6: Final answer
    x = 42,382.89

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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.