Home / 53,239.24-79,870.65-15,802.30

Finding the Fourth Proportional to 53,239.24, 79,870.65 and 15,802.30

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Solution

The fourth proportional to 53,239.24, 79,870.65 and 15,802.30 is: 23,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239.24 : 79,870.65 = 15,802.30 : x
  2. Step 2: Convert to fraction form
    53,239.24/79,870.65 = 15,802.30/x
  3. Step 3: Cross multiply
    53,239.24x = 79,870.65 × 15,802.30
  4. Step 4: Simplify right side
    53,239.24x = 1,262,139,972.50
  5. Step 5: Solve for x
    x = 1,262,139,972.50/53,239.24
  6. Step 6: Final answer
    x = 23,706.95

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1.5x scale

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.