Home / 30,547.26-45,779.85-13,012.38

Finding the Fourth Proportional to 30,547.26, 45,779.85 and 13,012.38

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Solution

The fourth proportional to 30,547.26, 45,779.85 and 13,012.38 is: 19,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.26 : 45,779.85 = 13,012.38 : x
  2. Step 2: Convert to fraction form
    30,547.26/45,779.85 = 13,012.38/x
  3. Step 3: Cross multiply
    30,547.26x = 45,779.85 × 13,012.38
  4. Step 4: Simplify right side
    30,547.26x = 595,704,804.54
  5. Step 5: Solve for x
    x = 595,704,804.54/30,547.26
  6. Step 6: Final answer
    x = 19,501.09

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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.