Home / 39,816.40-59,731.80-16,445.20

Finding the Fourth Proportional to 39,816.40, 59,731.80 and 16,445.20

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Solution

The fourth proportional to 39,816.40, 59,731.80 and 16,445.20 is: 24,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,816.40 : 59,731.80 = 16,445.20 : x
  2. Step 2: Convert to fraction form
    39,816.40/59,731.80 = 16,445.20/x
  3. Step 3: Cross multiply
    39,816.40x = 59,731.80 × 16,445.20
  4. Step 4: Simplify right side
    39,816.40x = 982,301,397.36
  5. Step 5: Solve for x
    x = 982,301,397.36/39,816.40
  6. Step 6: Final answer
    x = 24,670.77

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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.