Home / 39,885.23-59,809.55-13,579.26

Finding the Fourth Proportional to 39,885.23, 59,809.55 and 13,579.26

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Solution

The fourth proportional to 39,885.23, 59,809.55 and 13,579.26 is: 20,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,885.23 : 59,809.55 = 13,579.26 : x
  2. Step 2: Convert to fraction form
    39,885.23/59,809.55 = 13,579.26/x
  3. Step 3: Cross multiply
    39,885.23x = 59,809.55 × 13,579.26
  4. Step 4: Simplify right side
    39,885.23x = 812,169,362.04
  5. Step 5: Solve for x
    x = 812,169,362.04/39,885.23
  6. Step 6: Final answer
    x = 20,362.66

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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.