Home / 42,528.40-63,677.40-33,312.40

Finding the Fourth Proportional to 42,528.40, 63,677.40 and 33,312.40

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Solution

The fourth proportional to 42,528.40, 63,677.40 and 33,312.40 is: 49,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,528.40 : 63,677.40 = 33,312.40 : x
  2. Step 2: Convert to fraction form
    42,528.40/63,677.40 = 33,312.40/x
  3. Step 3: Cross multiply
    42,528.40x = 63,677.40 × 33,312.40
  4. Step 4: Simplify right side
    42,528.40x = 2,121,247,019.76
  5. Step 5: Solve for x
    x = 2,121,247,019.76/42,528.40
  6. Step 6: Final answer
    x = 49,878.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.