Home / 32,938.36-49,407.60-15,420.49

Finding the Fourth Proportional to 32,938.36, 49,407.60 and 15,420.49

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Solution

The fourth proportional to 32,938.36, 49,407.60 and 15,420.49 is: 23,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,938.36 : 49,407.60 = 15,420.49 : x
  2. Step 2: Convert to fraction form
    32,938.36/49,407.60 = 15,420.49/x
  3. Step 3: Cross multiply
    32,938.36x = 49,407.60 × 15,420.49
  4. Step 4: Simplify right side
    32,938.36x = 761,889,154.69
  5. Step 5: Solve for x
    x = 761,889,154.69/32,938.36
  6. Step 6: Final answer
    x = 23,130.76

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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.