Home / 39,603.08-59,398.41-12,948.89

Finding the Fourth Proportional to 39,603.08, 59,398.41 and 12,948.89

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Solution

The fourth proportional to 39,603.08, 59,398.41 and 12,948.89 is: 19,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,603.08 : 59,398.41 = 12,948.89 : x
  2. Step 2: Convert to fraction form
    39,603.08/59,398.41 = 12,948.89/x
  3. Step 3: Cross multiply
    39,603.08x = 59,398.41 × 12,948.89
  4. Step 4: Simplify right side
    39,603.08x = 769,143,477.26
  5. Step 5: Solve for x
    x = 769,143,477.26/39,603.08
  6. Step 6: Final answer
    x = 19,421.30

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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.