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Finding the Fourth Proportional to 35,337.84, 48,763.80 and 19,421.94

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Solution

The fourth proportional to 35,337.84, 48,763.80 and 19,421.94 is: 26,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,337.84 : 48,763.80 = 19,421.94 : x
  2. Step 2: Convert to fraction form
    35,337.84/48,763.80 = 19,421.94/x
  3. Step 3: Cross multiply
    35,337.84x = 48,763.80 × 19,421.94
  4. Step 4: Simplify right side
    35,337.84x = 947,087,597.77
  5. Step 5: Solve for x
    x = 947,087,597.77/35,337.84
  6. Step 6: Final answer
    x = 26,800.95

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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.