Home / 42,970.68-64,330.83-31,926.33

Finding the Fourth Proportional to 42,970.68, 64,330.83 and 31,926.33

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Solution

The fourth proportional to 42,970.68, 64,330.83 and 31,926.33 is: 47,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,970.68 : 64,330.83 = 31,926.33 : x
  2. Step 2: Convert to fraction form
    42,970.68/64,330.83 = 31,926.33/x
  3. Step 3: Cross multiply
    42,970.68x = 64,330.83 × 31,926.33
  4. Step 4: Simplify right side
    42,970.68x = 2,053,847,307.75
  5. Step 5: Solve for x
    x = 2,053,847,307.75/42,970.68
  6. Step 6: Final answer
    x = 47,796.48

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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.