Home / 42,045.18-58,026.48-31,416.36

Finding the Fourth Proportional to 42,045.18, 58,026.48 and 31,416.36

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Solution

The fourth proportional to 42,045.18, 58,026.48 and 31,416.36 is: 43,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,045.18 : 58,026.48 = 31,416.36 : x
  2. Step 2: Convert to fraction form
    42,045.18/58,026.48 = 31,416.36/x
  3. Step 3: Cross multiply
    42,045.18x = 58,026.48 × 31,416.36
  4. Step 4: Simplify right side
    42,045.18x = 1,822,980,449.80
  5. Step 5: Solve for x
    x = 1,822,980,449.80/42,045.18
  6. Step 6: Final answer
    x = 43,357.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.