Home / 39,030.06-58,539.12-12,734.76

Finding the Fourth Proportional to 39,030.06, 58,539.12 and 12,734.76

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Solution

The fourth proportional to 39,030.06, 58,539.12 and 12,734.76 is: 19,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,030.06 : 58,539.12 = 12,734.76 : x
  2. Step 2: Convert to fraction form
    39,030.06/58,539.12 = 12,734.76/x
  3. Step 3: Cross multiply
    39,030.06x = 58,539.12 × 12,734.76
  4. Step 4: Simplify right side
    39,030.06x = 745,481,643.81
  5. Step 5: Solve for x
    x = 745,481,643.81/39,030.06
  6. Step 6: Final answer
    x = 19,100.19

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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.