Home / 39,777.02-59,665.26-12,075.02

Finding the Fourth Proportional to 39,777.02, 59,665.26 and 12,075.02

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Solution

The fourth proportional to 39,777.02, 59,665.26 and 12,075.02 is: 18,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,777.02 : 59,665.26 = 12,075.02 : x
  2. Step 2: Convert to fraction form
    39,777.02/59,665.26 = 12,075.02/x
  3. Step 3: Cross multiply
    39,777.02x = 59,665.26 × 12,075.02
  4. Step 4: Simplify right side
    39,777.02x = 720,459,207.81
  5. Step 5: Solve for x
    x = 720,459,207.81/39,777.02
  6. Step 6: Final answer
    x = 18,112.45

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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.