Home / 39,870.14-59,842.27-20,162.84

Finding the Fourth Proportional to 39,870.14, 59,842.27 and 20,162.84

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Solution

The fourth proportional to 39,870.14, 59,842.27 and 20,162.84 is: 30,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,870.14 : 59,842.27 = 20,162.84 : x
  2. Step 2: Convert to fraction form
    39,870.14/59,842.27 = 20,162.84/x
  3. Step 3: Cross multiply
    39,870.14x = 59,842.27 × 20,162.84
  4. Step 4: Simplify right side
    39,870.14x = 1,206,590,214.45
  5. Step 5: Solve for x
    x = 1,206,590,214.45/39,870.14
  6. Step 6: Final answer
    x = 30,263.00

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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.