Home / 35,818.94-49,430.72-20,715.01

Finding the Fourth Proportional to 35,818.94, 49,430.72 and 20,715.01

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Solution

The fourth proportional to 35,818.94, 49,430.72 and 20,715.01 is: 28,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,818.94 : 49,430.72 = 20,715.01 : x
  2. Step 2: Convert to fraction form
    35,818.94/49,430.72 = 20,715.01/x
  3. Step 3: Cross multiply
    35,818.94x = 49,430.72 × 20,715.01
  4. Step 4: Simplify right side
    35,818.94x = 1,023,957,859.11
  5. Step 5: Solve for x
    x = 1,023,957,859.11/35,818.94
  6. Step 6: Final answer
    x = 28,587.05

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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.