Home / 39,666.42-59,501.55-13,010.07

Finding the Fourth Proportional to 39,666.42, 59,501.55 and 13,010.07

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Solution

The fourth proportional to 39,666.42, 59,501.55 and 13,010.07 is: 19,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,666.42 : 59,501.55 = 13,010.07 : x
  2. Step 2: Convert to fraction form
    39,666.42/59,501.55 = 13,010.07/x
  3. Step 3: Cross multiply
    39,666.42x = 59,501.55 × 13,010.07
  4. Step 4: Simplify right side
    39,666.42x = 774,119,330.61
  5. Step 5: Solve for x
    x = 774,119,330.61/39,666.42
  6. Step 6: Final answer
    x = 19,515.73

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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.