Home / 55,636.29-76,779.23-30,487.41

Finding the Fourth Proportional to 55,636.29, 76,779.23 and 30,487.41

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Solution

The fourth proportional to 55,636.29, 76,779.23 and 30,487.41 is: 42,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,636.29 : 76,779.23 = 30,487.41 : x
  2. Step 2: Convert to fraction form
    55,636.29/76,779.23 = 30,487.41/x
  3. Step 3: Cross multiply
    55,636.29x = 76,779.23 × 30,487.41
  4. Step 4: Simplify right side
    55,636.29x = 2,340,799,712.06
  5. Step 5: Solve for x
    x = 2,340,799,712.06/55,636.29
  6. Step 6: Final answer
    x = 42,073.25

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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.