Home / 35,478.57-53,225.06-13,291.53

Finding the Fourth Proportional to 35,478.57, 53,225.06 and 13,291.53

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Solution

The fourth proportional to 35,478.57, 53,225.06 and 13,291.53 is: 19,939.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.57 : 53,225.06 = 13,291.53 : x
  2. Step 2: Convert to fraction form
    35,478.57/53,225.06 = 13,291.53/x
  3. Step 3: Cross multiply
    35,478.57x = 53,225.06 × 13,291.53
  4. Step 4: Simplify right side
    35,478.57x = 707,442,415.28
  5. Step 5: Solve for x
    x = 707,442,415.28/35,478.57
  6. Step 6: Final answer
    x = 19,939.99

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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.