Home / 39,762.96-59,646.96-13,110.72

Finding the Fourth Proportional to 39,762.96, 59,646.96 and 13,110.72

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Solution

The fourth proportional to 39,762.96, 59,646.96 and 13,110.72 is: 19,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762.96 : 59,646.96 = 13,110.72 : x
  2. Step 2: Convert to fraction form
    39,762.96/59,646.96 = 13,110.72/x
  3. Step 3: Cross multiply
    39,762.96x = 59,646.96 × 13,110.72
  4. Step 4: Simplify right side
    39,762.96x = 782,014,591.41
  5. Step 5: Solve for x
    x = 782,014,591.41/39,762.96
  6. Step 6: Final answer
    x = 19,666.91

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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.