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Finding the Fourth Proportional to 61,458.16, 92,209.32 and 21,482.98

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Solution

The fourth proportional to 61,458.16, 92,209.32 and 21,482.98 is: 32,232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,458.16 : 92,209.32 = 21,482.98 : x
  2. Step 2: Convert to fraction form
    61,458.16/92,209.32 = 21,482.98/x
  3. Step 3: Cross multiply
    61,458.16x = 92,209.32 × 21,482.98
  4. Step 4: Simplify right side
    61,458.16x = 1,980,930,977.37
  5. Step 5: Solve for x
    x = 1,980,930,977.37/61,458.16
  6. Step 6: Final answer
    x = 32,232.19

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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.