Home / 35,935.40-53,903.10-12,564.20

Finding the Fourth Proportional to 35,935.40, 53,903.10 and 12,564.20

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Solution

The fourth proportional to 35,935.40, 53,903.10 and 12,564.20 is: 18,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,935.40 : 53,903.10 = 12,564.20 : x
  2. Step 2: Convert to fraction form
    35,935.40/53,903.10 = 12,564.20/x
  3. Step 3: Cross multiply
    35,935.40x = 53,903.10 × 12,564.20
  4. Step 4: Simplify right side
    35,935.40x = 677,249,329.02
  5. Step 5: Solve for x
    x = 677,249,329.02/35,935.40
  6. Step 6: Final answer
    x = 18,846.30

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1.5x scale

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.