Home / 35,130.61-48,480.63-19,214.72

Finding the Fourth Proportional to 35,130.61, 48,480.63 and 19,214.72

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Solution

The fourth proportional to 35,130.61, 48,480.63 and 19,214.72 is: 26,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.61 : 48,480.63 = 19,214.72 : x
  2. Step 2: Convert to fraction form
    35,130.61/48,480.63 = 19,214.72/x
  3. Step 3: Cross multiply
    35,130.61x = 48,480.63 × 19,214.72
  4. Step 4: Simplify right side
    35,130.61x = 931,541,598.22
  5. Step 5: Solve for x
    x = 931,541,598.22/35,130.61
  6. Step 6: Final answer
    x = 26,516.52

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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.