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Finding the Fourth Proportional to 29,601.60, 40,852.80 and 17,030.40

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Solution

The fourth proportional to 29,601.60, 40,852.80 and 17,030.40 is: 23,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,601.60 : 40,852.80 = 17,030.40 : x
  2. Step 2: Convert to fraction form
    29,601.60/40,852.80 = 17,030.40/x
  3. Step 3: Cross multiply
    29,601.60x = 40,852.80 × 17,030.40
  4. Step 4: Simplify right side
    29,601.60x = 695,739,525.12
  5. Step 5: Solve for x
    x = 695,739,525.12/29,601.60
  6. Step 6: Final answer
    x = 23,503.44

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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.