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Finding the Fourth Proportional to 46,384.89, 64,009.88 and 25,687.67

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Solution

The fourth proportional to 46,384.89, 64,009.88 and 25,687.67 is: 35,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,384.89 : 64,009.88 = 25,687.67 : x
  2. Step 2: Convert to fraction form
    46,384.89/64,009.88 = 25,687.67/x
  3. Step 3: Cross multiply
    46,384.89x = 64,009.88 × 25,687.67
  4. Step 4: Simplify right side
    46,384.89x = 1,644,264,322.02
  5. Step 5: Solve for x
    x = 1,644,264,322.02/46,384.89
  6. Step 6: Final answer
    x = 35,448.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.