Home / 35,123.60-52,685.40-18,477.20

Finding the Fourth Proportional to 35,123.60, 52,685.40 and 18,477.20

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Solution

The fourth proportional to 35,123.60, 52,685.40 and 18,477.20 is: 27,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,123.60 : 52,685.40 = 18,477.20 : x
  2. Step 2: Convert to fraction form
    35,123.60/52,685.40 = 18,477.20/x
  3. Step 3: Cross multiply
    35,123.60x = 52,685.40 × 18,477.20
  4. Step 4: Simplify right side
    35,123.60x = 973,478,672.88
  5. Step 5: Solve for x
    x = 973,478,672.88/35,123.60
  6. Step 6: Final answer
    x = 27,715.80

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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.