Home / 31,386.02-47,075.54-9,199.58

Finding the Fourth Proportional to 31,386.02, 47,075.54 and 9,199.58

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Solution

The fourth proportional to 31,386.02, 47,075.54 and 9,199.58 is: 13,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,386.02 : 47,075.54 = 9,199.58 : x
  2. Step 2: Convert to fraction form
    31,386.02/47,075.54 = 9,199.58/x
  3. Step 3: Cross multiply
    31,386.02x = 47,075.54 × 9,199.58
  4. Step 4: Simplify right side
    31,386.02x = 433,074,914.90
  5. Step 5: Solve for x
    x = 433,074,914.90/31,386.02
  6. Step 6: Final answer
    x = 13,798.34

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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.