Home / 35,880.72-53,821.35-12,507.18

Finding the Fourth Proportional to 35,880.72, 53,821.35 and 12,507.18

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Solution

The fourth proportional to 35,880.72, 53,821.35 and 12,507.18 is: 18,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.72 : 53,821.35 = 12,507.18 : x
  2. Step 2: Convert to fraction form
    35,880.72/53,821.35 = 12,507.18/x
  3. Step 3: Cross multiply
    35,880.72x = 53,821.35 × 12,507.18
  4. Step 4: Simplify right side
    35,880.72x = 673,153,312.29
  5. Step 5: Solve for x
    x = 673,153,312.29/35,880.72
  6. Step 6: Final answer
    x = 18,760.86

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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.