Home / 54,856.04-75,701.60-30,657.39

Finding the Fourth Proportional to 54,856.04, 75,701.60 and 30,657.39

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Solution

The fourth proportional to 54,856.04, 75,701.60 and 30,657.39 is: 42,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.04 : 75,701.60 = 30,657.39 : x
  2. Step 2: Convert to fraction form
    54,856.04/75,701.60 = 30,657.39/x
  3. Step 3: Cross multiply
    54,856.04x = 75,701.60 × 30,657.39
  4. Step 4: Simplify right side
    54,856.04x = 2,320,813,674.78
  5. Step 5: Solve for x
    x = 2,320,813,674.78/54,856.04
  6. Step 6: Final answer
    x = 42,307.35

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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.