Home / 64,779.75-97,028.69-31,429.42

Finding the Fourth Proportional to 64,779.75, 97,028.69 and 31,429.42

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Solution

The fourth proportional to 64,779.75, 97,028.69 and 31,429.42 is: 47,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,779.75 : 97,028.69 = 31,429.42 : x
  2. Step 2: Convert to fraction form
    64,779.75/97,028.69 = 31,429.42/x
  3. Step 3: Cross multiply
    64,779.75x = 97,028.69 × 31,429.42
  4. Step 4: Simplify right side
    64,779.75x = 3,049,555,050.34
  5. Step 5: Solve for x
    x = 3,049,555,050.34/64,779.75
  6. Step 6: Final answer
    x = 47,075.75

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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.