Home / 39,740.86-59,562.87-21,970.81

Finding the Fourth Proportional to 39,740.86, 59,562.87 and 21,970.81

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Solution

The fourth proportional to 39,740.86, 59,562.87 and 21,970.81 is: 32,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,740.86 : 59,562.87 = 21,970.81 : x
  2. Step 2: Convert to fraction form
    39,740.86/59,562.87 = 21,970.81/x
  3. Step 3: Cross multiply
    39,740.86x = 59,562.87 × 21,970.81
  4. Step 4: Simplify right side
    39,740.86x = 1,308,644,499.82
  5. Step 5: Solve for x
    x = 1,308,644,499.82/39,740.86
  6. Step 6: Final answer
    x = 32,929.45

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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.