Home / 39,870.71-59,829.62-14,567.97

Finding the Fourth Proportional to 39,870.71, 59,829.62 and 14,567.97

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Solution

The fourth proportional to 39,870.71, 59,829.62 and 14,567.97 is: 21,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,870.71 : 59,829.62 = 14,567.97 : x
  2. Step 2: Convert to fraction form
    39,870.71/59,829.62 = 14,567.97/x
  3. Step 3: Cross multiply
    39,870.71x = 59,829.62 × 14,567.97
  4. Step 4: Simplify right side
    39,870.71x = 871,596,036.43
  5. Step 5: Solve for x
    x = 871,596,036.43/39,870.71
  6. Step 6: Final answer
    x = 21,860.56

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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.