Home / 31,503.93-47,275.67-12,784.04

Finding the Fourth Proportional to 31,503.93, 47,275.67 and 12,784.04

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Solution

The fourth proportional to 31,503.93, 47,275.67 and 12,784.04 is: 19,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.93 : 47,275.67 = 12,784.04 : x
  2. Step 2: Convert to fraction form
    31,503.93/47,275.67 = 12,784.04/x
  3. Step 3: Cross multiply
    31,503.93x = 47,275.67 × 12,784.04
  4. Step 4: Simplify right side
    31,503.93x = 604,374,056.31
  5. Step 5: Solve for x
    x = 604,374,056.31/31,503.93
  6. Step 6: Final answer
    x = 19,184.08

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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.