Home / 39,722.03-59,582.98-10,139.86

Finding the Fourth Proportional to 39,722.03, 59,582.98 and 10,139.86

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Solution

The fourth proportional to 39,722.03, 59,582.98 and 10,139.86 is: 15,209.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722.03 : 59,582.98 = 10,139.86 : x
  2. Step 2: Convert to fraction form
    39,722.03/59,582.98 = 10,139.86/x
  3. Step 3: Cross multiply
    39,722.03x = 59,582.98 × 10,139.86
  4. Step 4: Simplify right side
    39,722.03x = 604,163,075.58
  5. Step 5: Solve for x
    x = 604,163,075.58/39,722.03
  6. Step 6: Final answer
    x = 15,209.77

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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.