Home / 56,294.61-77,683.75-30,801.48

Finding the Fourth Proportional to 56,294.61, 77,683.75 and 30,801.48

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Solution

The fourth proportional to 56,294.61, 77,683.75 and 30,801.48 is: 42,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,294.61 : 77,683.75 = 30,801.48 : x
  2. Step 2: Convert to fraction form
    56,294.61/77,683.75 = 30,801.48/x
  3. Step 3: Cross multiply
    56,294.61x = 77,683.75 × 30,801.48
  4. Step 4: Simplify right side
    56,294.61x = 2,392,774,471.95
  5. Step 5: Solve for x
    x = 2,392,774,471.95/56,294.61
  6. Step 6: Final answer
    x = 42,504.50

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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.