Home / 35,030.16-52,485.84-21,150

Finding the Fourth Proportional to 35,030.16, 52,485.84 and 21,150

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Solution

The fourth proportional to 35,030.16, 52,485.84 and 21,150 is: 31,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,030.16 : 52,485.84 = 21,150 : x
  2. Step 2: Convert to fraction form
    35,030.16/52,485.84 = 21,150/x
  3. Step 3: Cross multiply
    35,030.16x = 52,485.84 × 21,150
  4. Step 4: Simplify right side
    35,030.16x = 1,110,075,516
  5. Step 5: Solve for x
    x = 1,110,075,516/35,030.16
  6. Step 6: Final answer
    x = 31,689.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.