Home / 29,303.51-40,438.53-15,873.98

Finding the Fourth Proportional to 29,303.51, 40,438.53 and 15,873.98

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Solution

The fourth proportional to 29,303.51, 40,438.53 and 15,873.98 is: 21,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,303.51 : 40,438.53 = 15,873.98 : x
  2. Step 2: Convert to fraction form
    29,303.51/40,438.53 = 15,873.98/x
  3. Step 3: Cross multiply
    29,303.51x = 40,438.53 × 15,873.98
  4. Step 4: Simplify right side
    29,303.51x = 641,920,214.26
  5. Step 5: Solve for x
    x = 641,920,214.26/29,303.51
  6. Step 6: Final answer
    x = 21,905.92

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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.