Home / 35,880.70-53,814.57-13,689.13

Finding the Fourth Proportional to 35,880.70, 53,814.57 and 13,689.13

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Solution

The fourth proportional to 35,880.70, 53,814.57 and 13,689.13 is: 20,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.70 : 53,814.57 = 13,689.13 : x
  2. Step 2: Convert to fraction form
    35,880.70/53,814.57 = 13,689.13/x
  3. Step 3: Cross multiply
    35,880.70x = 53,814.57 × 13,689.13
  4. Step 4: Simplify right side
    35,880.70x = 736,674,644.62
  5. Step 5: Solve for x
    x = 736,674,644.62/35,880.70
  6. Step 6: Final answer
    x = 20,531.22

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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.