Home / 35,343.95-48,775.32-19,428.40

Finding the Fourth Proportional to 35,343.95, 48,775.32 and 19,428.40

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Solution

The fourth proportional to 35,343.95, 48,775.32 and 19,428.40 is: 26,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,343.95 : 48,775.32 = 19,428.40 : x
  2. Step 2: Convert to fraction form
    35,343.95/48,775.32 = 19,428.40/x
  3. Step 3: Cross multiply
    35,343.95x = 48,775.32 × 19,428.40
  4. Step 4: Simplify right side
    35,343.95x = 947,626,305.15
  5. Step 5: Solve for x
    x = 947,626,305.15/35,343.95
  6. Step 6: Final answer
    x = 26,811.55

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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.