Home / 39,554.13-59,340.08-13,258.20

Finding the Fourth Proportional to 39,554.13, 59,340.08 and 13,258.20

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Solution

The fourth proportional to 39,554.13, 59,340.08 and 13,258.20 is: 19,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,554.13 : 59,340.08 = 13,258.20 : x
  2. Step 2: Convert to fraction form
    39,554.13/59,340.08 = 13,258.20/x
  3. Step 3: Cross multiply
    39,554.13x = 59,340.08 × 13,258.20
  4. Step 4: Simplify right side
    39,554.13x = 786,742,681.80
  5. Step 5: Solve for x
    x = 786,742,681.80/39,554.13
  6. Step 6: Final answer
    x = 19,890.28

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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.