Home / 35,347.51-48,780.50-19,432.36

Finding the Fourth Proportional to 35,347.51, 48,780.50 and 19,432.36

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Solution

The fourth proportional to 35,347.51, 48,780.50 and 19,432.36 is: 26,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.51 : 48,780.50 = 19,432.36 : x
  2. Step 2: Convert to fraction form
    35,347.51/48,780.50 = 19,432.36/x
  3. Step 3: Cross multiply
    35,347.51x = 48,780.50 × 19,432.36
  4. Step 4: Simplify right side
    35,347.51x = 947,920,139.82
  5. Step 5: Solve for x
    x = 947,920,139.82/35,347.51
  6. Step 6: Final answer
    x = 26,817.17

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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.