Home / 42,528.07-63,806.45-18,832.39

Finding the Fourth Proportional to 42,528.07, 63,806.45 and 18,832.39

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Solution

The fourth proportional to 42,528.07, 63,806.45 and 18,832.39 is: 28,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,528.07 : 63,806.45 = 18,832.39 : x
  2. Step 2: Convert to fraction form
    42,528.07/63,806.45 = 18,832.39/x
  3. Step 3: Cross multiply
    42,528.07x = 63,806.45 × 18,832.39
  4. Step 4: Simplify right side
    42,528.07x = 1,201,627,697.24
  5. Step 5: Solve for x
    x = 1,201,627,697.24/42,528.07
  6. Step 6: Final answer
    x = 28,254.93

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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.