Home / 29,231.25-40,339.08-15,802.52

Finding the Fourth Proportional to 29,231.25, 40,339.08 and 15,802.52

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Solution

The fourth proportional to 29,231.25, 40,339.08 and 15,802.52 is: 21,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,231.25 : 40,339.08 = 15,802.52 : x
  2. Step 2: Convert to fraction form
    29,231.25/40,339.08 = 15,802.52/x
  3. Step 3: Cross multiply
    29,231.25x = 40,339.08 × 15,802.52
  4. Step 4: Simplify right side
    29,231.25x = 637,458,916.79
  5. Step 5: Solve for x
    x = 637,458,916.79/29,231.25
  6. Step 6: Final answer
    x = 21,807.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.