Home / 39,421.72-59,140.36-14,462

Finding the Fourth Proportional to 39,421.72, 59,140.36 and 14,462

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Solution

The fourth proportional to 39,421.72, 59,140.36 and 14,462 is: 21,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,421.72 : 59,140.36 = 14,462 : x
  2. Step 2: Convert to fraction form
    39,421.72/59,140.36 = 14,462/x
  3. Step 3: Cross multiply
    39,421.72x = 59,140.36 × 14,462
  4. Step 4: Simplify right side
    39,421.72x = 855,287,886.32
  5. Step 5: Solve for x
    x = 855,287,886.32/39,421.72
  6. Step 6: Final answer
    x = 21,695.85

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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.