Home / 39,675.21-59,483.65-18,913.29

Finding the Fourth Proportional to 39,675.21, 59,483.65 and 18,913.29

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Solution

The fourth proportional to 39,675.21, 59,483.65 and 18,913.29 is: 28,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,675.21 : 59,483.65 = 18,913.29 : x
  2. Step 2: Convert to fraction form
    39,675.21/59,483.65 = 18,913.29/x
  3. Step 3: Cross multiply
    39,675.21x = 59,483.65 × 18,913.29
  4. Step 4: Simplify right side
    39,675.21x = 1,125,031,522.71
  5. Step 5: Solve for x
    x = 1,125,031,522.71/39,675.21
  6. Step 6: Final answer
    x = 28,356.03

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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.