Home / 35,764.04-49,349.32-21,420.51

Finding the Fourth Proportional to 35,764.04, 49,349.32 and 21,420.51

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Solution

The fourth proportional to 35,764.04, 49,349.32 and 21,420.51 is: 29,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,764.04 : 49,349.32 = 21,420.51 : x
  2. Step 2: Convert to fraction form
    35,764.04/49,349.32 = 21,420.51/x
  3. Step 3: Cross multiply
    35,764.04x = 49,349.32 × 21,420.51
  4. Step 4: Simplify right side
    35,764.04x = 1,057,087,602.55
  5. Step 5: Solve for x
    x = 1,057,087,602.55/35,764.04
  6. Step 6: Final answer
    x = 29,557.28

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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.