Home / 34,187.40-51,248.70-30,688.20

Finding the Fourth Proportional to 34,187.40, 51,248.70 and 30,688.20

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Solution

The fourth proportional to 34,187.40, 51,248.70 and 30,688.20 is: 46,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,187.40 : 51,248.70 = 30,688.20 : x
  2. Step 2: Convert to fraction form
    34,187.40/51,248.70 = 30,688.20/x
  3. Step 3: Cross multiply
    34,187.40x = 51,248.70 × 30,688.20
  4. Step 4: Simplify right side
    34,187.40x = 1,572,730,355.34
  5. Step 5: Solve for x
    x = 1,572,730,355.34/34,187.40
  6. Step 6: Final answer
    x = 46,003.22

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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.