Home / 39,666.16-59,501.22-13,009.79

Finding the Fourth Proportional to 39,666.16, 59,501.22 and 13,009.79

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Solution

The fourth proportional to 39,666.16, 59,501.22 and 13,009.79 is: 19,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,666.16 : 59,501.22 = 13,009.79 : x
  2. Step 2: Convert to fraction form
    39,666.16/59,501.22 = 13,009.79/x
  3. Step 3: Cross multiply
    39,666.16x = 59,501.22 × 13,009.79
  4. Step 4: Simplify right side
    39,666.16x = 774,098,135.02
  5. Step 5: Solve for x
    x = 774,098,135.02/39,666.16
  6. Step 6: Final answer
    x = 19,515.33

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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.