Home / 30,823.61-42,497.85-25,152.59

Finding the Fourth Proportional to 30,823.61, 42,497.85 and 25,152.59

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Solution

The fourth proportional to 30,823.61, 42,497.85 and 25,152.59 is: 34,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823.61 : 42,497.85 = 25,152.59 : x
  2. Step 2: Convert to fraction form
    30,823.61/42,497.85 = 25,152.59/x
  3. Step 3: Cross multiply
    30,823.61x = 42,497.85 × 25,152.59
  4. Step 4: Simplify right side
    30,823.61x = 1,068,931,056.02
  5. Step 5: Solve for x
    x = 1,068,931,056.02/30,823.61
  6. Step 6: Final answer
    x = 34,678.98

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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.