Home / 36,686.98-55,030.47-13,313.38

Finding the Fourth Proportional to 36,686.98, 55,030.47 and 13,313.38

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Solution

The fourth proportional to 36,686.98, 55,030.47 and 13,313.38 is: 19,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.98 : 55,030.47 = 13,313.38 : x
  2. Step 2: Convert to fraction form
    36,686.98/55,030.47 = 13,313.38/x
  3. Step 3: Cross multiply
    36,686.98x = 55,030.47 × 13,313.38
  4. Step 4: Simplify right side
    36,686.98x = 732,641,558.69
  5. Step 5: Solve for x
    x = 732,641,558.69/36,686.98
  6. Step 6: Final answer
    x = 19,970.07

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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.