Home / 39,354.70-59,039.57-12,707.81

Finding the Fourth Proportional to 39,354.70, 59,039.57 and 12,707.81

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Solution

The fourth proportional to 39,354.70, 59,039.57 and 12,707.81 is: 19,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,354.70 : 59,039.57 = 12,707.81 : x
  2. Step 2: Convert to fraction form
    39,354.70/59,039.57 = 12,707.81/x
  3. Step 3: Cross multiply
    39,354.70x = 59,039.57 × 12,707.81
  4. Step 4: Simplify right side
    39,354.70x = 750,263,638.04
  5. Step 5: Solve for x
    x = 750,263,638.04/39,354.70
  6. Step 6: Final answer
    x = 19,064.14

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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.