Home / 39,838.13-59,763.32-13,536.72

Finding the Fourth Proportional to 39,838.13, 59,763.32 and 13,536.72

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Solution

The fourth proportional to 39,838.13, 59,763.32 and 13,536.72 is: 20,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838.13 : 59,763.32 = 13,536.72 : x
  2. Step 2: Convert to fraction form
    39,838.13/59,763.32 = 13,536.72/x
  3. Step 3: Cross multiply
    39,838.13x = 59,763.32 × 13,536.72
  4. Step 4: Simplify right side
    39,838.13x = 808,999,312.19
  5. Step 5: Solve for x
    x = 808,999,312.19/39,838.13
  6. Step 6: Final answer
    x = 20,307.16

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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.