Home / 35,665.10-53,477.40-13,479.20

Finding the Fourth Proportional to 35,665.10, 53,477.40 and 13,479.20

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Solution

The fourth proportional to 35,665.10, 53,477.40 and 13,479.20 is: 20,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,665.10 : 53,477.40 = 13,479.20 : x
  2. Step 2: Convert to fraction form
    35,665.10/53,477.40 = 13,479.20/x
  3. Step 3: Cross multiply
    35,665.10x = 53,477.40 × 13,479.20
  4. Step 4: Simplify right side
    35,665.10x = 720,832,570.08
  5. Step 5: Solve for x
    x = 720,832,570.08/35,665.10
  6. Step 6: Final answer
    x = 20,211.15

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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.