Home / 39,779.16-59,656.11-13,477.74

Finding the Fourth Proportional to 39,779.16, 59,656.11 and 13,477.74

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Solution

The fourth proportional to 39,779.16, 59,656.11 and 13,477.74 is: 20,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,779.16 : 59,656.11 = 13,477.74 : x
  2. Step 2: Convert to fraction form
    39,779.16/59,656.11 = 13,477.74/x
  3. Step 3: Cross multiply
    39,779.16x = 59,656.11 × 13,477.74
  4. Step 4: Simplify right side
    39,779.16x = 804,029,539.99
  5. Step 5: Solve for x
    x = 804,029,539.99/39,779.16
  6. Step 6: Final answer
    x = 20,212.33

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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.