Home / 35,416.08-53,124.16-9,120.88

Finding the Fourth Proportional to 35,416.08, 53,124.16 and 9,120.88

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Solution

The fourth proportional to 35,416.08, 53,124.16 and 9,120.88 is: 13,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,416.08 : 53,124.16 = 9,120.88 : x
  2. Step 2: Convert to fraction form
    35,416.08/53,124.16 = 9,120.88/x
  3. Step 3: Cross multiply
    35,416.08x = 53,124.16 × 9,120.88
  4. Step 4: Simplify right side
    35,416.08x = 484,539,088.46
  5. Step 5: Solve for x
    x = 484,539,088.46/35,416.08
  6. Step 6: Final answer
    x = 13,681.33

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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.