Home / 42,188.98-58,218.40-23,065.20

Finding the Fourth Proportional to 42,188.98, 58,218.40 and 23,065.20

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Solution

The fourth proportional to 42,188.98, 58,218.40 and 23,065.20 is: 31,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,188.98 : 58,218.40 = 23,065.20 : x
  2. Step 2: Convert to fraction form
    42,188.98/58,218.40 = 23,065.20/x
  3. Step 3: Cross multiply
    42,188.98x = 58,218.40 × 23,065.20
  4. Step 4: Simplify right side
    42,188.98x = 1,342,818,897.83
  5. Step 5: Solve for x
    x = 1,342,818,897.83/42,188.98
  6. Step 6: Final answer
    x = 31,828.67

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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.