Home / 39,389.49-59,064.51-13,085.01

Finding the Fourth Proportional to 39,389.49, 59,064.51 and 13,085.01

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Solution

The fourth proportional to 39,389.49, 59,064.51 and 13,085.01 is: 19,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389.49 : 59,064.51 = 13,085.01 : x
  2. Step 2: Convert to fraction form
    39,389.49/59,064.51 = 13,085.01/x
  3. Step 3: Cross multiply
    39,389.49x = 59,064.51 × 13,085.01
  4. Step 4: Simplify right side
    39,389.49x = 772,859,704.00
  5. Step 5: Solve for x
    x = 772,859,704.00/39,389.49
  6. Step 6: Final answer
    x = 19,620.96

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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.