Home / 39,705.04-59,551.08-13,409.20

Finding the Fourth Proportional to 39,705.04, 59,551.08 and 13,409.20

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Solution

The fourth proportional to 39,705.04, 59,551.08 and 13,409.20 is: 20,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.04 : 59,551.08 = 13,409.20 : x
  2. Step 2: Convert to fraction form
    39,705.04/59,551.08 = 13,409.20/x
  3. Step 3: Cross multiply
    39,705.04x = 59,551.08 × 13,409.20
  4. Step 4: Simplify right side
    39,705.04x = 798,532,341.94
  5. Step 5: Solve for x
    x = 798,532,341.94/39,705.04
  6. Step 6: Final answer
    x = 20,111.61

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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.