Home / 30,779.63-46,170.85-9,430.81

Finding the Fourth Proportional to 30,779.63, 46,170.85 and 9,430.81

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Solution

The fourth proportional to 30,779.63, 46,170.85 and 9,430.81 is: 14,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,779.63 : 46,170.85 = 9,430.81 : x
  2. Step 2: Convert to fraction form
    30,779.63/46,170.85 = 9,430.81/x
  3. Step 3: Cross multiply
    30,779.63x = 46,170.85 × 9,430.81
  4. Step 4: Simplify right side
    30,779.63x = 435,428,548.95
  5. Step 5: Solve for x
    x = 435,428,548.95/30,779.63
  6. Step 6: Final answer
    x = 14,146.65

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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.