Home / 29,331.60-40,477.83-15,903.06

Finding the Fourth Proportional to 29,331.60, 40,477.83 and 15,903.06

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Solution

The fourth proportional to 29,331.60, 40,477.83 and 15,903.06 is: 21,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.60 : 40,477.83 = 15,903.06 : x
  2. Step 2: Convert to fraction form
    29,331.60/40,477.83 = 15,903.06/x
  3. Step 3: Cross multiply
    29,331.60x = 40,477.83 × 15,903.06
  4. Step 4: Simplify right side
    29,331.60x = 643,721,359.16
  5. Step 5: Solve for x
    x = 643,721,359.16/29,331.60
  6. Step 6: Final answer
    x = 21,946.34

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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.