Home / 34,834.61-48,071.95-18,919.06

Finding the Fourth Proportional to 34,834.61, 48,071.95 and 18,919.06

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Solution

The fourth proportional to 34,834.61, 48,071.95 and 18,919.06 is: 26,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,834.61 : 48,071.95 = 18,919.06 : x
  2. Step 2: Convert to fraction form
    34,834.61/48,071.95 = 18,919.06/x
  3. Step 3: Cross multiply
    34,834.61x = 48,071.95 × 18,919.06
  4. Step 4: Simplify right side
    34,834.61x = 909,475,938.89
  5. Step 5: Solve for x
    x = 909,475,938.89/34,834.61
  6. Step 6: Final answer
    x = 26,108.40

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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.