Home / 42,536.10-63,818.36-18,840.43

Finding the Fourth Proportional to 42,536.10, 63,818.36 and 18,840.43

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Solution

The fourth proportional to 42,536.10, 63,818.36 and 18,840.43 is: 28,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,536.10 : 63,818.36 = 18,840.43 : x
  2. Step 2: Convert to fraction form
    42,536.10/63,818.36 = 18,840.43/x
  3. Step 3: Cross multiply
    42,536.10x = 63,818.36 × 18,840.43
  4. Step 4: Simplify right side
    42,536.10x = 1,202,364,931.00
  5. Step 5: Solve for x
    x = 1,202,364,931.00/42,536.10
  6. Step 6: Final answer
    x = 28,266.93

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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.