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Finding the Fourth Proportional to 35,775.32, 53,656.86 and 9,482.72

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Solution

The fourth proportional to 35,775.32, 53,656.86 and 9,482.72 is: 14,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.32 : 53,656.86 = 9,482.72 : x
  2. Step 2: Convert to fraction form
    35,775.32/53,656.86 = 9,482.72/x
  3. Step 3: Cross multiply
    35,775.32x = 53,656.86 × 9,482.72
  4. Step 4: Simplify right side
    35,775.32x = 508,812,979.46
  5. Step 5: Solve for x
    x = 508,812,979.46/35,775.32
  6. Step 6: Final answer
    x = 14,222.46

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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.