Home / 58,401.39-87,615.86-18,955.47

Finding the Fourth Proportional to 58,401.39, 87,615.86 and 18,955.47

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Solution

The fourth proportional to 58,401.39, 87,615.86 and 18,955.47 is: 28,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,401.39 : 87,615.86 = 18,955.47 : x
  2. Step 2: Convert to fraction form
    58,401.39/87,615.86 = 18,955.47/x
  3. Step 3: Cross multiply
    58,401.39x = 87,615.86 × 18,955.47
  4. Step 4: Simplify right side
    58,401.39x = 1,660,799,805.75
  5. Step 5: Solve for x
    x = 1,660,799,805.75/58,401.39
  6. Step 6: Final answer
    x = 28,437.68

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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.