Home / 31,970.34-47,953.74-9,783.72

Finding the Fourth Proportional to 31,970.34, 47,953.74 and 9,783.72

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Solution

The fourth proportional to 31,970.34, 47,953.74 and 9,783.72 is: 14,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,970.34 : 47,953.74 = 9,783.72 : x
  2. Step 2: Convert to fraction form
    31,970.34/47,953.74 = 9,783.72/x
  3. Step 3: Cross multiply
    31,970.34x = 47,953.74 × 9,783.72
  4. Step 4: Simplify right side
    31,970.34x = 469,165,965.11
  5. Step 5: Solve for x
    x = 469,165,965.11/31,970.34
  6. Step 6: Final answer
    x = 14,675.04

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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.