Home / 42,926.34-64,397.43-13,342.26

Finding the Fourth Proportional to 42,926.34, 64,397.43 and 13,342.26

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Solution

The fourth proportional to 42,926.34, 64,397.43 and 13,342.26 is: 20,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,926.34 : 64,397.43 = 13,342.26 : x
  2. Step 2: Convert to fraction form
    42,926.34/64,397.43 = 13,342.26/x
  3. Step 3: Cross multiply
    42,926.34x = 64,397.43 × 13,342.26
  4. Step 4: Simplify right side
    42,926.34x = 859,207,254.39
  5. Step 5: Solve for x
    x = 859,207,254.39/42,926.34
  6. Step 6: Final answer
    x = 20,015.85

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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.